AJR Filtration - Who We Are and What We Do

AJR Filtration has grown to become an industry-leading manufacturer of high quality engineered dust and liquid filtration products made in the USA. Our 180,000 square foot facility located in St. Charles, Illinois is at the hub of distribution routes serving the United States, North and South America as well as overseas destinations. Family owned, and celebrating 30 years in business, we take personal pride in superior customer service, and comprehensive technical support. Our goal is to achieve a "Most Valued Supplier" status with every customer.

Family Owned, Second Generation Manufacturer


Fastest Lead Times

Our in-house inventory of standard products and free stocking programs allow AJR to get many products out the same day. Running two production shifts five to six days a week, along with extensive raw material and component inventory, means no down time or delays. Once your order has been placed, it moves directly into production in order to get the product out in three to five days.

Custom Filters

AJR's Engineering and Sales Departments have combined over 30 years' experience in the filtrations industry. With an understanding of your filtration processes and goals, we can design and manufacture a filter solution to meet and exceed your needs. All custom products have an individual part number assigned to them exclusive to your company, and will not be sold to anyone else.

No Hidden Costs – Waived Fees For The Following:

  • Private Labeling
  • Rush Orders 
  • Broken Case Quantities
  • Part Set-ups
  • Standard Samples
  • Stocking Programs


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Nano Media is Here!

AJR’s replacement dust cartridge filters are now available with nano media. Our nano dust cartridge filters include a high-performance flexible nanofiber surface treatment constructed onto robust cellulose-poly blend media.  AJR’s nano media is quite simply the best-quality US manufactured media on today’s market and includes:  

MERV 15 rating per ASHRAE 52.2
Surface filtration offers better pulse-cleaning with less energy consumed
Lower operating pressure saves energy over time
All AJR dust cartridge filters are now manufactured with galvanized spiral core
Flame retardant media available

We are currently offering industry standard 12-3/4” and 13.8” diameter dust cartridges in open-open, open-closed, and open-closed with bolt hole configurations and including outer poly bands or expanded mesh outer liner. A comprehensive offering of industry configurations are in development and will be available soon.

Contact your AJR representative today to learn more about this exciting addition!  And be sure to watch this space for more exciting announcements in the coming weeks.

Contact AJR Filtration Today For Your Filtration Solutions!







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